| Run curl test temporarily | kubectl run --rm mytest --image=yauritux/busybox-curl -it |
| Run wget test temporarily | kubectl run --rm mytest --image=busybox -it |
| Run nginx deployment with 2 replicas | kubectl run my-nginx --image=nginx --replicas=2 --port=80 |
| Run nginx pod and expose it | kubectl run my-nginx --restart=Never --image=nginx --port=80 --expose |
| Run nginx deployment and expose it | kubectl run my-nginx --image=nginx --port=80 --expose |
| Set namespace preference | kubectl config set-context <context_name> --namespace=<ns_name> |
| List pods with nodes info | kubectl get pod -o wide |
| List everything | kubectl get all --all-namespaces |
| Get all services | kubectl get service --all-namespaces |
| Show nodes with labels | kubectl get nodes --show-labels |
| Validate yaml file with dry run | kubectl create --dry-run --validate -f pod-dummy.yaml |
| Start a temporary pod for testing | kubectl run --rm -i -t --image=alpine test-$RANDOM -- sh |
| kubectl run shell command | kubectl exec -it mytest -- ls -l /etc/hosts |
| Get system conf via configmap | kubectl -n kube-system get cm kubeadm-config -o yaml |
| Get deployment yaml | kubectl -n denny-websites get deployment mysql -o yaml |
| Explain resource | kubectl explain pods, kubectl explain svc |
| Watch pods | kubectl get pods -n wordpress --watch |
| Query healthcheck endpoint | curl -L https://127.0.0.1:10250/healthz |
| Open a bash terminal in a pod | kubectl exec -it storage sh |
| Check pod environment variables | kubectl exec redis-master-ft9ex env |
| Enable kubectl shell autocompletion | echo "source <(kubectl completion bash)" >>~/.bashrc, and reload |
| Use minikube dockerd in your laptop | eval $(minikube docker-env), No need to push docker hub any more |
| Kubectl apply a folder of yaml files | kubectl apply -R -f . |
| Get services sorted by name | kubectl get services –sort-by=.metadata.name |
| Get pods sorted by restart count | kubectl get pods –sort-by=’.status.containerStatuses[0].restartCount’ |
| Ubuntu install kubectl | "deb https://apt.kubernetes.io/ kubernetes-xenial main" |
